:root{
  --brand:#ffcc00; --bg:#f7f7f8; --ink:#141414; --muted:#6b7280; --card:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:inherit}
.btn{display:inline-block;padding:.8rem 1.1rem;border:1px solid var(--ink);border-radius:.6rem;text-decoration:none;font-weight:600}
.btn.primary{background:var(--brand);border-color:var(--brand)}
.btn.ghost{background:transparent}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee;display:flex;align-items:center;gap:1rem;padding:.8rem 1rem;z-index:10}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:800}
.site-nav{margin-left:auto;display:flex;gap:1rem}
.site-nav a{text-decoration:none;padding:.4rem .6rem;border-radius:.4rem}
.site-nav a.active, .site-nav a:hover{background:#f0f0f0}
.nav-toggle{display:none;background:none;border:0;font-size:1.4rem}
.hero{padding:5rem 1rem;text-align:center;background:linear-gradient(180deg,#fff, #fff7d1)}
.hero h1{font-size:clamp(1.8rem,2.8vw,3rem);margin:.2rem 0}
.cta-row{display:flex;gap:.8rem;justify-content:center;margin-top:1rem}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;padding:2rem 1rem;max-width:1100px;margin:auto}
.card{background:var(--card);border:1px solid #eee;border-radius:1rem;padding:1.2rem}
.page{max-width:900px;margin:2rem auto;padding:0 1rem}
.page h1{margin-top:0}
.contact-form{display:grid;gap:.8rem;max-width:560px}
.contact-form input,.contact-form textarea{width:100%;padding:.7rem;border:1px solid #ddd;border-radius:.5rem}
.site-footer{padding:2rem 1rem;border-top:1px solid #eee;margin-top:2rem;background:#fff}
.site-footer .cols{display:flex;gap:1rem;justify-content:space-between;flex-wrap:wrap}
.site-footer p{color:var(--muted);margin:.6rem 0}
.muted{color:var(--muted);font-size:.9rem}
details{background:#fff;border:1px solid #eee;border-radius:.6rem;padding:.8rem;margin:.6rem 0}
summary{cursor:pointer;font-weight:600}
@media (max-width:900px){
  .grid{grid-template-columns:1fr}
  .nav-toggle{display:block;margin-left:auto}
  .site-nav{display:none;flex-direction:column;position:absolute;top:56px;right:10px;background:#fff;border:1px solid #eee;border-radius:.6rem;padding:.6rem}
  .site-nav.open{display:flex}
}
/* Logo plus grand et texte de marque retiré */
.brand span{ display:none; }             /* masque le texte noir */
.brand .logo{
  width: 120px;                          /* taille du logo */
  height: auto;
  display: block;
}

/* Ajuste un peu le header pour respirer avec un logo plus grand */
.site-header{ padding: 14px 16px; }

/* Responsive: logo un peu plus petit sur mobile */
@media (max-width: 640px){
  .brand .logo{ width: 96px; }
}